In third world countries, rivers are just as essential as they were since the dawn of civilizations. In modern countries, rivers serve as a waterway for transportation, human recreation, and sometimes drinking water.
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Olmec Cities:
1200 BCE significant urban centres developed at San Lorenzo (the earliest), La Venta, Laguna de los Cerros, Tres Zapotes and Las Limas. San Lorenzo reached its peak of prosperity and influence between 1200 and 900 BCE when its strategic position safe from flooding allowed it to control local trade.
Answer:
Explanation: Segregation is the physical separation of peoples on the basis of ethnicity and social custom historically applied to separate African Americans and Mexican Americans from whites in Texas
